public class lianxi2_1{
   public static void main(String arga[]){
     int x = 8;
     byte b = 127;
     b =(byte)x;
      x =(int) 12L;
     long y =8L;
     float z= 6.89f;
     System.out.println(b+","+x+","+y+","+z);
   }
} 
